Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4965291 | Method of manufacturing porous membrane and porous membrane manufactured by the same method | Yukio Seita, Noriyuki Koyama, Shinsuke Yokomachi | 1990-10-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4965291 | Method of manufacturing porous membrane and porous membrane manufactured by the same method | Yukio Seita, Noriyuki Koyama, Shinsuke Yokomachi | 1990-10-23 |